TY - JOUR AU - A. A. Sobolev AU - M. R. Timerbaev TI - High-order accuracy approximation for the two-point boundary value problem of the fourth order with degenerate coefficients JO - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki PY - 2017 SP - 493 EP - 508 VL - 159 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZKU_2017_159_4_a5/ LA - ru ID - UZKU_2017_159_4_a5 ER -